Question

Rohan took 10 mL of dil Sulphuric acid in a test tube and added some Iron nails in it. After sometime he observed a colour change from colourless to green and some effervescence due to the release of a gas . The green colour was due to _______ and the gas released was ________.*

1 point

Iron sulphate , Hydrogen

Copper sulphate , Oxygen

Hydrogen sulphate , Oxygen

Copper Chloride , Hydrogen

Rohan took 10 mL of dil Sulphuric acid in a test tube and added some Iron nails in it. After sometime he observed a colour change from colourless to green and some effervescence due to the release of a gas . The green colour was due to _______ and the gas released was ________.*

1 point

Iron sulphate , Hydrogen

Copper sulphate , Oxygen

Hydrogen sulphate , Oxygen

Copper Chloride , Hydrogen

​

Answer 1

Iron sulphate and realise hydrogen gas
Just an idea